Stenabolic comes up often in conversation and rarely with the context attached. Here we lay out the basics in order, then work through the practical considerations.
Updated 2026-03-26. Numbers and descriptions here follow the published literature rather than marketing material.
In rodent studies, SR9009 has been reported to increase mitochondrial content in skeletal muscle and improve exercise endurance under some conditions. These findings led to popular descriptions such as an exercise mimetic, although that term oversimplifies the biology. Effects vary by dose, timing, tissue, and model. The compound's influence on circadian pathways means that time of administration can matter in experiments. Whether similar metabolic changes occur in humans remains largely unexplored in controlled published trials.
Pharmacokinetic data for SR9009 are limited in published literature. Some reports indicate low oral bioavailability and rapid clearance in animals, which complicates interpretation of exposure and effect. Researchers often use injected routes in preclinical work to achieve measurable systemic levels. Analytical studies rely on mass spectrometry to detect the parent compound and its metabolites. Questions about tissue distribution, active metabolites, and long-term consequences remain open. Species differences in metabolism can affect observed half-life and target engagement.
SR9009 is a synthetic small molecule studied as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. These receptors help regulate circadian rhythms and metabolic gene expression. In laboratory experiments, SR9009 binds these receptors and alters transcription of genes involved in lipid handling, glucose metabolism, and mitochondrial function. It is not a naturally occurring compound and has no approved therapeutic use. Research interest stems from its ability to modify energy metabolism in cells and animal models.
Scientific discussion of SR9009 often separates animal evidence from human anecdote. Rodent studies provide controlled data on endurance, metabolism, and gene expression, but they use specific strains, doses, and treatment durations. Human reports are mostly uncontrolled and cannot establish cause and effect. Open questions include oral bioavailability, tissue distribution, metabolic stability, and long-term effects. Review articles generally call for more rigorous pharmacokinetic and safety research before any clinical use could be considered.
Analytical methods for SR9009 typically rely on liquid chromatography coupled with tandem mass spectrometry. The technique can separate the parent compound from related substances and detect low concentrations in biological matrices. Urine and blood are common samples in anti-doping testing, while in vitro studies may use cell culture media. Rapid metabolism and low expected concentrations make method validation important for reliable identification. Exact metabolite patterns can vary by species and are not fully mapped.
Regulatory treatment of SR9009 reflects its investigational status. The compound has no approved human therapeutic indication, and sports authorities prohibit its use. It appears on anti-doping lists as a non-approved substance or metabolic modulator, depending on the list version. Products sold online as research chemicals are not quality-controlled medicines, so their identity and purity can differ from the label. Such products may also contain unlisted compounds, which complicates both testing and safety assessment.
| Property | Value | Notes |
|---|---|---|
| Chemical class | Synthetic small-molecule REV-ERB agonist | Not a hormone or natural product |
| Primary targets | REV-ERBα and REV-ERBβ | Nuclear receptors involved in circadian and metabolic regulation |
| Appearance | White to off-white solid | Typical for purified research samples |
| Solubility | Soluble in DMSO and ethanol; low water solubility | Laboratory solubility depends on solvent and purity |
| Common synonyms | SR9009; Stenabolic | Stenabolic is a colloquial name, not a formal chemical name |
SR9009 is frequently discussed alongside other REV-ERB ligands, including synthetic agonists and natural heme-related molecules. Its selectivity for REV-ERB over related nuclear receptors has been measured in binding and reporter assays, though off-target activity at higher concentrations is possible. The compound is prohibited in sport by the World Anti-Doping Agency, and it is not approved for any medical use in major jurisdictions. Products sold online may be labeled as research chemicals, and their identity and purity are not guaranteed by regulatory review.
SR9009 is a synthetic small molecule that acts on the nuclear receptors REV-ERBα and REV-ERBβ. These receptors are part of the circadian clock machinery and normally repress transcription of certain target genes. In laboratory research, SR9009 is used as a chemical tool to study how REV-ERB activity influences metabolism, inflammation, and daily biological rhythms. The compound is not an approved medicine, and its effects in humans remain largely uncharacterized. It is often described as an investigational agent rather than a therapeutic product.
REV-ERB proteins help regulate daily cycles in gene expression, including genes tied to lipid and glucose metabolism. SR9009 binds these receptors and alters their activity in cell and animal experiments. Consequences observed in rodents include changes in skeletal muscle oxidative capacity, blood lipid levels, and exercise performance. The precise chain from receptor occupancy to whole-body effects is still an active area of study. Human responses cannot be assumed from rodent data.
Most published work on SR9009 consists of preclinical studies. It is widely sold as a research chemical, a category that does not imply safety, efficacy, or pharmaceutical-grade quality. Sports anti-doping organizations have listed SR9009 as a prohibited substance, and its presence in an athlete sample can lead to sanctions. Legal status differs by country; in several jurisdictions it is not approved for human consumption and may be treated as an unapproved new drug.
SR9009 is a synthetic small molecule studied as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. It is not a steroid, peptide, or natural hormone. In scientific literature, it appears under the code SR9009 and in non-scientific contexts as Stenabolic. The compound was identified through chemical screening efforts aimed at targeting circadian clock components. Its status remains investigational, and no regulatory agency has approved it as a human medicine.
Handling recommendations for SR9009 in a laboratory setting include storing the solid at low temperature, protected from light and moisture. The compound is often dissolved in dimethyl sulfoxide or ethanol for experiments. Solutions should be prepared with appropriate personal protective equipment and disposed of according to local rules. Stability data for long-term storage are limited, so stock solutions are typically kept cold and used within defined periods. Records of preparation date and concentration support reproducibility.
SR9009 is not approved as a medicine by major regulatory agencies. It is commonly sold as a research chemical, a category that may fall outside customary drug approval and quality rules. In sports, the World Anti-Doping Agency lists SR9009 as a prohibited substance. Athletes who use it can face sanctions if it is detected in a sample. Legal status varies by country, and importation may be restricted. Enforcement practices differ across borders.
== History == The first Outback Steakhouse location was opened on March 15, 1988, in Tampa, Florida. Canadian Outback Steakhouse restaurants began in 1996. In March 2009, Outback Steakhouse Canada abruptly closed all nine locations in the province of Ontario, citing poor economic conditions, but in June 2009, Outback Steakhouse opened a location in Niagara Falls, Ontario, with a second location later opening in the same city. As of 2024, these are the only Outback Steakhouse locations operating in Canada. Outback locations in Hawaii began to open in the mid 1990s, as part of a massive expansion across the country. On February 17, 2024, Outback’s parent company, Bloomin’ Brands, announced the permanent closure of all remaining Hawaii locations, as part of financial restructuring, citing a significant decrease in profits. This was part of a larger, mass closure of over 41 locations. All three locations in Hawaii were permanently closed by February 18, 2024. Outback Steakhouse opened in the UK with locations in Birmingham, Basildon, Enfield, Romford, Stevenage, Wandsworth in London and Staines. By September 2011, only its Basildon and Romford stores remained and they closed down on September 13, ending Outback's foray into the UK market. In 2006, a new Outback logo was introduced, dropping the old kangaroo logo for a more simplistic and modern Outback mountain range logo.
Eight years later, on February 11, 2026; an incident took place between Ja Rule and G-Unit affiliates Tony Yayo and Uncle Murda. The three were booked on a cross-country flight from San Francisco to New York; in which Ja Rule was seated directly in front of the two. After confronting him in his seat; a lengthy verbal altercation ensued in which Ja Rule was later removed from the flight after screaming expletives and throwing a pillow at Tony Yayo. Uncle Murda would later mock him on Instagram after they would steal his seat following his removal from the flight. Ja Rule would later express embarrassment at his reaction to the incident. In another response on February 26, 2026; Ja Rule would proclaim that he and 50 Cent could never be friends or end their hatred of one another, though he would also proclaim that neither side valued building a positive relationship, but the two could end hostilities despite his earlier statement.
Systemic-onset juvenile idiopathic arthritis (sJIA), also known as Still disease, Still's disease, and systemic juvenile idiopathic arthritis, is a subtype of juvenile idiopathic arthritis (JIA) that is distinguished by arthritis, a characteristic erythematous skin rash, and remitting fever. Fever is a common symptom in patients with sJIA, characterized by sudden temperature rise above 39°C and then a sudden drop. Over 80% of patients have a salmon-colored macular or maculopapular rash, which can be migratory and nonpruritic. Arthritis can develop weeks, months, or even years after onset and can affect various joints. SJIA is characterized by splenic and lymph node enlargements, with prominent symmetrical lymphadenopathy. Pericardial involvement is common, with 81% of children with active systemic symptoms having abnormal echocardiographic findings and 36% having an effusion or pericardial thickening. Around one-third of children with sJIA have occult macrophage activation syndrome (MAS), a potentially fatal illness causing T cells and macrophages to rapidly multiply and activate, resulting in a "cytokine storm." The cause of sJIA is currently unknown. While infectious organisms have been suggested as the cause, microbiologic and virologic analyses cannot pinpoint a single agent. sJIA is not an infectious disease by definition, but a genetic predisposition may play a role. It is considered an autoinflammatory condition, rather than an autoimmune disease, due to the lack of evidence linking specific antigen-antibody dyads.
During the beta phase, the game underwent multiple updates, introducing new weapons and a completely redesigned interface based on Valve's VGUI2 technology. Additionally, the official bot, developed by Turtle Rock Studios for Counter-Strike: Condition Zero, was publicly tested within Counter-Strike 1.6 from June 5. After more than six months of public testing, the beta phase concluded on September 9, 2003. The final release of Counter-Strike 1.6 was initially scheduled for the following day, but last-minute changes to the Steam network caused a brief delay. The final version, along with the Steam client, was officially launched on September 12, 2003. Following release, advertisements were brought to Counter-Strike. They were removed after the game was converted to the SteamPipe content delivery system. Plans for Counter-Strike 1.7—which aimed to merge the player bases of Counter-Strike and Condition Zero—were never realized. In February 2013, Valve ported Counter-Strike onto OS X and Linux. It is the second Valve game to be ported to Linux, after Team Fortress 2.
=== Pubic hair === Pubic hair is often the second noticeable change in puberty, usually within a few months of thelarche. It is referred to as pubarche. The pubic hairs are usually visible first along the labia. The first few hairs are described as Tanner stage 2. Stage 3 is usually reached within another 6–12 months, when the hairs are too numerous to count and appear on the pubic mound as well. By stage 4, the pubic hairs densely fill the "pubic triangle". Stage 5 refers to spread of pubic hair to the thighs and sometimes as abdominal hair upward towards the navel. In about 15% of females, the earliest pubic hair appears before breast development begins.
Sources: en.wikipedia.org
This is a list of monarchs of the Netherlands (Dutch: Koningen der Nederlanden). The list includes the pre-monarchical stadtholders of the House of Orange-Nassau (1572–1795), the hiatus of the French puppet monarchy (1806–1810), and the return of the House of Orange-Nassau as monarchs (1813–present). The list starts in 1572, when the Estates of Holland independently reinstated William the Silent as their stadtholder. He had previously been dismissed by the Spanish King Philip II, due to his leading role in the Dutch Revolt, and his reinstatement marked a pivotal step toward the emergence of an independent state under the political and military leadership of the House of Orange-Nassau. He established the royal status of this dynasty by inheriting the sovereign Principality of Orange, adding to his existing title as Count of Nassau the title 'Prince of Orange' —a lineage and a colour with which all subsequent stadtholders and, to this day, all Dutch monarchs are exclusively associated. For this reason, he is better known in the Netherlands as William of Orange. As stadtholder he is known as William I, as later heirs (both stadtholders and monarchs) would bear his name in remembrance of his stature. In the national anthem the "Wilhelmus", he features as Wilhelmus/Willem of Nassau. Written around 1570 in his honor, the song explicitly designated him as ‘Genaedigen Forsten’ (“Gracious Sovereign”) and Patris Patriae (“Father of the Nation”).
=== Transport to the brain === Vitamin C does not pass from the bloodstream into the brain, although the brain is one of the organs that have the greatest concentration of vitamin C. Instead, DHA is transported through the blood–brain barrier via GLUT1 transporters, and then reduced back to ascorbic acid.
== External links == Idaho U. DNA proofreading and repair "DNA polymerase ε and δ proofreading suppress discrete mutator and cancer phenotypes in mice" Tseng, Shun-Fu; Gabriel, Abram; Teng, Shu-Chun (2008). "Proofreading Activity of DNA Polymerase Pol2 Mediates 3′-End Processing during Nonhomologous End Joining in Yeast". PLOS Genetics. 4 (4) e1000060. doi:10.1371/journal.pgen.1000060. PMC 2312331. PMID 18437220.
"Layne was really responsible for giving me the confidence to become more of a singer. He'd say, 'You wrote this song, this means something to you, sing it.' He kicked my ass out of the nest. Over the years I continued to grow, and Layne started to play guitar, and we inspired each other". Since 2002, Seattle has hosted an annual tribute concert for Staley on his birthday. Venues such as the Moore Theatre, The Showbox The Fenix, and The Crocodile have hosted the event. The show proceeds benefit the Layne Staley Memorial Fund. Staley ranked at No. 27 on Hit Parader magazine's list of "Heavy Metal's All-Time Top 100 Vocalists" published in the November 2006 issue, and at No. 42 on Complex's magazine list of "The 50 Best Lead Singers of All Time" in 2012. Staley was an inspiration for the title of Metallica's 2008 album, Death Magnetic. The band recorded a song in tribute to him, titled "Rebel of Babylon". In 2009, Alice in Chains released their first studio album in 14 years, Black Gives Way to Blue, with Cantrell and then-new vocalist and rhythm guitarist William DuVall sharing lead vocals. The title track is a tribute to Staley. Cantrell invited Elton John to join Alice in Chains and pay tribute to Staley playing the piano in "Black Gives Way to Blue", the closing song in the album. The song was written and sung by Cantrell, who described it as the band's goodbye to Staley. The first concert that Staley attended was Elton John's and he was blown away by it.
The Supreme Soviet (successor of the Congress of Soviets) was nominally the highest organ of state authority for most of the Soviet history, at first acting as a rubber stamp institution, approving and implementing all decisions made by the party. However, its powers and functions were extended in the late 1950s, 1960s, and 1970s, including the creation of new state commissions and committees. It gained additional powers relating to the approval of the Five-Year Plans and the government budget. The Supreme Soviet elected a Presidium (successor of the Central Executive Committee) to wield its power between plenary sessions, ordinarily held twice a year, and appointed the Supreme Court, the Procurator General and the Council of Ministers (known before 1946 as the Council of People's Commissars), headed by the Chairman (Premier) and managing an enormous bureaucracy responsible for the administration of the economy and society. State and party structures of the constituent republics largely emulated the structure of the central institutions, although the Russian SFSR, unlike the other constituent republics, for most of its history had no republican branch of the CPSU, being ruled directly by the union-wide party until 1990. Local authorities were organized likewise into party committees, local Soviets and executive committees. While the state was a de jure federation with a nominally federal constitution, the party was de facto centralized and unitary. The state security police (the KGB and its predecessor agencies) played an important role in Soviet politics.
Sources: en.wikipedia.org
It is a synthetic research compound that activates REV-ERB nuclear receptors. It is not an approved drug or dietary supplement. Most information comes from cell and animal studies.
It binds REV-ERBα and REV-ERBβ and changes transcription of metabolic genes. This can affect circadian rhythm, lipid use, and mitochondrial function. The full downstream effects are still under study.
No. Some rodent studies show increased endurance, but controlled human trials are lacking. Claims about human performance are not established by published evidence.
No. It is an investigational compound without approved therapeutic indications. It is sold for research purposes only in many jurisdictions.